UPDATE, 9:40 a.m.: Please note that the Friday night book signing at the Shelter Island Library has been canceled.
Friday offers an evening of sushi-making and the opportunity to get ready for a weekend of sailboating and Relay for Life in Southold Town.
1. Teens can learn how to make vegetable sushi at 6 p.m. at , 13900 Route 25 in Mattituck — and parents can feel free to consume the creations afterward. Call 631-298-4134. Don't forget the wasabi.
, 37 North Ferry Road on Shelter Island, hosts another session of "Friday Night Dialogues" at 7 p.m. Capt. Nicholas Stevensson Karas will discuss his book, "The Last Whaler," then a book signing will follow. The book is a historic novel based on the true whaling adventure of a kidnapped 16-year old Shinnecock Indian as told to a Long Island merchant seaman. Call 631-749-0042.
3. , 18 Peconic Avenue in Riverhead, holds a "Concert for the Cure" kickoff with host Lisa Dee. The goal is to raise $1 million for cancer research. Performers include Deep Rising, Lo Fi 3, and Neptune's Rise. Doors open at 7:30 p.m. Tickets are $25 in advance/ $30 at the door. Call 631-727-5782.
4. After the Riverhead concert for a cure, check out Southold Town's Relay for Life, an annual overnight camping and walking event held at on Peconic Lane beginning on Saturday at 5 p.m. and ending on Sunday at 6 a.m. Remember those who died of cancer and those who battled the deadly disease. Stay tuned for more coverage of this moving benefit ceremony. Call 631-734-5050.
5. Interesting in learning how to sailboat race? Now's the time of year to take advantage. The Peconic Bay Sailing Association will host an informal seminar on the basics of sailboat racing at , 1295 Fourth Street in New Suffolk, at 10 a.m. on Saturday. Sailors are invited to attend this free seminar which will introduce them to the association’s upcoming New Suffolk Series with new pre-set race courses. Race participants are expected to have a basic knowledge of racing, but anyone attending Saturday’s seminar will be guided to sources of information on those rules. Call 631-288-5865.
Stuff happens on the North Fork. Be sure to stay with North Fork Patch for our comprehensive events listings: northfork.patch.com/search/events.